The town of Kokomo had two rainstorms in November. Storm 1 had more rainfall than Storm 2. The temperature of the surrounding areas was the same before both storms.

One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.

Why do you suppose the structural polysaccharide cellulose does not contain branches?